What he wants is his mother as quickly as he can; and what he must do is to the

What he wants is _______ hismother as quickly as he can; and what he must do is ____ to the hospital atonce．

    A．to see;going                      B．to see; go       

C．see; to go                         D．see; go

试题答案

【答案】

：B

【解析】：考查不定式做表语。当主语中含有do的某种形式时，做表语的不定式符号to可以省略。第一空前的主语没有do的形式，所以使用不定式做表语。第二空前的主语中有do,故不定式符号to可以省略。故B正确。